(19)

(11)

EP 1 166 391 A1

(12)

(43) Date of publication: 02.01.2002 Bulletin 2002/01 (21) Application number: 00912833.1 (22) Date of filing: 27.03.2000

(51) International Patent Classification (IPC)7: H01Q 19/10, H01Q 3/26, H01Q 3/14 (86) International application number: PCT/GB0001/166 (87) International publication number: WO 0059/071 (05.10.2000 Gazette 2000/40)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 31.03.1999 GB 9907317 (71) Applicant: The University Court of the University of St. Andrews St. Andrews, Fife KY16 9SS (GB)	(72) Inventor: LESURF, James Christopher George St. Andrews,Fife KY16 8DW (GB) (74) Representative: Forsyth, Helen Jane  Keith W Nash & Co, 90-92 Regent Street Cambridge CB2 1DP Cambridge CB2 1DP (GB)